§ Arcade · Reflex Protocol
GRIDRUNNER
You run the line and it will not slow down. Jump what flies at you. Tap again mid-air to double-jump. Every level unlocks new terrain: spikes, walls, pits, ceiling spikes, saws, launch ramps, jump pads. Twelve levels, Baseline all the way to Tears in Rain. Touch a hazard or fall in a pit and you drift off the line.
Space / tap: jump (×2 in air)1–9 / click: pick levelL: levels · R: retryM: mute
No data leaves your browser: a state machine and a scoring function, same as the rest of SAPIEN. Try the real pressure test →